Paper-reenforcing machine and method thereof



July 3, 192 1,460,949

A. E. CURRIER PAPER REENFORCING MACHINE AND METHOD THEREOF Filed Aug. 31, 1920 Z SheetsSheet l I72 We 72% dnZ-f'ew 6. r-rz'er July 3, 1923.

1,460,949 A. E. CURRIER PAPER REENFORGING MACHINE AND METHOD THEREOF Filed Aug. 51, 1920 2 Sheets-Sheet 2 filaments with any desire Patented July 3, 1923.

UNITED STATES PATENT OFFlLCE;

ANDREW E. CUBBIEB, OI HILLIS, MASSACHUSETTS, ASSIGNOR '10 BROWN, 01

- BOSTON, MASSACHUSETTS.

rarmnmroacme MAORI-NE ANlJ Jam-non manner.

Application filed August 81, 191M). Serial R0. 407,168.

To all whom it may concern: I

Be it known that I, Ammaw E. Comma, a citizen of the United States, and resident of Millis, county of Norfolk, Commonwealth of Massachusetts, have invented an Improvement in Paper-Reenforcin Machines and Methods Thereof, of WlllCh the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts in each of the several views. 4

This invention relates to the reenforcing of paper or other material in the web by the a plication of threads or filaments thereto.

ore particularly the invention has to do with improved apparatus for applying series of threads in diagonal criss-cross arrangement continuously upon a moving web or webs of paper to be reinforced. A principal object of the invention is to provide mechanism of an exceptionally simple and inexpensive character, ca able of applying spacing, in diagonal relation upon a paper web at a relatively high rate of speed, and in a manner so that the threads are laid evenly and with the requisite tension upon the paper web, or

tween two webs, it bein understood that the invention finds one of its principal fields of usefulness in the reenforcing of duplex paper wherein two paper webs are united with cementitious hinder, the filaments being embedded and held between the paper layers by such cementitious binder of as phalt or other suitable substance. The foregoing and other objects and advantages of the invention will more fully appear from the following detailed description, and the distinctive features of novelty will be pointed out in the appended claims.

Referring to the drawings:

Fi 1 is a plan view showing the essential features of a paper reenforcing apparatus embodying the invention.

Fig. 2 is a side view thereof.

Fig. 3 is a front view of the thread laying instrumentalities, the thread guiding rods being shown in transverse section.

Fig. 4 is an elevation showingthe yoke which bears the thread gpiding rods; and

Fig: 5 is an elevation s owing a portionpf a paper web reenforced in accordance with the invention, a part of one layer thereof being broken away.

may be in the form -hold on its front face or spools 11. This creel is mounted for ro- 10 indicates a spool. holding creel which of a disc equipped to a series of thread cops tation by means of a central sleeve 12 rojecting from the rear thereof and journa led in a bearing bracket 13 mounted upon a suitable base 14. The sleeve 12 is equipped with suitable drivin means, shown as a gear 15 fixed at an en thereof which projects inward from the bearing bracket 13, and this gear being engaged by a pinion 16 fixed on a shaft 17 journalled in the framework and constituting the prime drive shaft of the machine with a driving pulley 18 fixed thereon, this typifying any suitable .means for the transmission of driving impulse to the machine. The creel 10 has fixed thereto and spaced a small distance in front 'of the spools '11 a ring 19 equipped with thread guiding passages 19 and serving to guide and centralize the threads delivered from the spools 11. The creel 10 also bears a series of'rods 20 projecting some distance.

forwardlythereof and supporting at their extremities another ring 21 equipped with a series of thread guiding eyes 22 serving to space and aline the threads as they are transferred to the guidin rods which deliver them to the paper surface. The eyes 22 may be so constituted as to constitute tension devicesfor supplying a proper tension to the threads as they are applied to the paper. For this purpose the eyes 22 may be equipped with any suitable and known spring tension, or the threads may be wrapped one or more times around and through the eyes so as to create the necessary tension by friction thereagainst. It is important that the threads as delivered from the spacin ring 21 of the creel, be formed into auni orm and even netting or web before they are applied to the paper surfaces and in accordance with my invention I obtain this result by providing a pair of sta-' tionary parallel rods 23, 24 spaced apart according to the width 'of the paper web and extending from a point adjacent the ring 21 to the paper surface upon which the threads are to be laid. In the present case two paper webs W, W are shown as guided into the bite between a pair of rolls 25, 26 for the production 'of a duplex paper web W and the rods 23, 24 extend up into close proximity to the bite between these rolls, having their extremities ta ered as indicated at 23, 24 so as to extend arther between the rolls, and also to facilitate the sliding of the threads therefrom. The rods 23, 24 are mounted at their inner ends upon a horizontal transverse yoke or bar 27 WhlOh 1s of a length as great as the maximum width of paper webs to be handled and is equipped with elongated slots 27 at its end ortlons in which the rods 23, 24 may be ad ustably clamped according to the width of the aper in any particular case, the rods 23, 24 mg so adjusted so as to lie just within the sides of the paper web. The yoke 27 is mounted at the end of a pairof stout rods 28 which are borne bya head 29 stationarily mounted within the sleeve 12 which is journalled thereon and serves as an inner support there- .for. The head 29 has a rearward extension 30 which is fixedly clamped in a socket 31 of the framework.

In use the threads are laid upon the rods 23, 24 from the rotating spacing ring 21 in a diagonal direction alternately over and under the rods, those under the rods extending in criss-cross relation to those laid over therods as will be understood, this diagonal disposition of the threads being due to the constant drawing forward 0 the threads into the bite between the rolls, the threads sliding along the rods 23, 24 until they are delivered therefrom directly upon the paper surfaces at the bite between the rolls; It will hence be understood that the diagonal angle at which the threads are applied to the paper will de end upon the ratio between the speed of t e rolls 25, 26, i. e. the paper feed, and the rate of rotation of the spool holding creel. Thus when the spool holdin creel is revolved at relatively hlgher rates or a given speed of pa er feed, the threads will be laid more near y transverse of the paper web, while with relatively slower rates of creel rotation, the threads will extend more nearly lengthwise of the paper. It will also be understood that spacing of the threads may be varied in any desired manner by bringing into operation a greater or less number of the spools 11 which apply more or less filaments as may be required, and the spacin may also be varied by varying the rate 0 rotation of the creel, a higher speed of creel rotation spacing the filaments closer to-= gether and vice versa. Or both of these factors may be employed in varying the spacing of the threads. With the described mechanism there is thus formed upon the parallel rods 23, 24 a complete reenforcing netting or web N of threads which slides freely from the ends thereof directl into the bite between the rolls 25, 26 so t at an even and uniform application of the mom forcing filaments is attained with any required spacing thereof and with the file-- aaeaeae ments under the requisite tension as they are embedded in the asphaltic or other cementitious binder between the paper layers so as to reenforce or strengthen the paper to the full capacity of the filaments. I am aware that the invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and I therefore desire the present embodiment to be considered in all respects as illustrative and not restrictive, reference being had to the appended claims rather than to the foregoing description to indicate the S00 e of the invention.

Having escribed my invention, what I claim as new-and desire to secure by Letters Patent is:

1. The herein described method which consists in winding filaments continuously upon spaced apart relatively station guidesto constitute a criss-cross web, and rawing the web so formed constantl along said guides and off from the ends t ereof, with a frictional sliding movement, and ressing the same upon a moving paper sur ace.

2. The herein described method which consists in winding continuously with a uni-directional movement filaments upon spaced apart relatively stationary guides, to constitute a criss-cross 'web, and drawin the web so formed along said guides an off from the ends thereof, with a frictional sliding movement, and pressing the same continuously between two paper webs united by cementitious binder.

3, Apparatus of the kind described comprising means for continuously advancing a paper web, and means for applying reenforcing filaments thereto consisting of approximately parallel stationary guldes presenting ways along which a filament web is adapted to be slid frictionally and extending into close proximity to the paper surface adjacent the edges of the web, and means for winding filaments upon said guides to constitute a web to be drawn constantly from said guides by the paper movement, said paper web advancing means embodying elements adapted to grip and draw said filament web frictionally alon said ides and off from the ends thereo 4. pparatus of the kind described comprising means for advancin a paper web, stationary,-spaced apart guides presenting ways along-which a filament web is adapted to be slid frictionally and extending into close proximity to the paper surface, and a uni-directional thread carrier mounted to wind threads upon said uides, to constitute a reenforcing netting a apted to be drawn from said guides by the paper movement and applied to the paper surface.

5. pparatus of the kind described comprising a pair of co-acting rolls adapted to press between them two paper webs, stationary spaced apart guides presenting wa s along which a filament web is adapted to slid frictionally and extending in substantial parallelism to a point relatively close to the bite between said rolls, and a unidirectional thread carrier mounted to wind threads upon said guides to constitute a netting adapted to be drawn into the bite between said rolls for the purpose stated.

6. Apparatus of the kind described com prising a pair of co-actingrolls adapted to press together two paper webs to constitute a duplex paper, relatively stationary guides mounted in substantial parallelism and extending relatively close to the bite between 15 said rolls, said guides presenting ways along which a thread netting is adapted to be slid frictionally to be released from the ends thereof the mounting of said guides permitting adjustment thereof toward and 20 from each other, and a thread holding creel mounted for rotation to wind threads upon said guides to constitute a netting adapted to be drawn from the guides into the bite between the rolls for the purpose stated.

In testimony whereof, I have signed my name to this specification.

ANDREW E. CURRIER. 

